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The Transiting Exoplanet Survey Satellite (TESS) will search for planets transiting bright stars with Ic<13. TESS has been selected by NASA for launch in 2018 as an Astrophysics Explorer mission, and is expected to discover a thousand or…

Instrumentation and Methods for Astrophysics · Physics 2019-11-22 Akshata Krishnamurthy , Joel Villasenor , Steve Kissel , George Ricker , Roland Vanderspek

The Transiting Exoplanet Survey Satellite (TESS, launched early 2018) is expected to find a multitude of new transiting planet candidates around the nearest and brightest stars. Timely high-precision follow-up observations from the ground…

Instrumentation and Methods for Astrophysics · Physics 2018-08-08 Gudmundur Stefansson , Suvrath Mahadevan , John Wisniewski , Yiting Li , Marissa Maney , Leslie Hebb , Brett Morris , Samuel Halverson , Andrew Monson , Paul Robertson

tempdisagg is a modern, extensible, and production-ready Python framework for temporal disaggregation of time series data. It transforms low-frequency aggregates into consistent, high-frequency estimates using a wide array of econometric…

Econometrics · Economics 2025-03-31 Jaime Vera-Jaramillo

We investigate the effect of observing cadence on the precision of radius ratio values obtained from transit light curves by performing uniform Markov Chain Monte Carlo fits of 46 exoplanets observed by the Transiting Exoplanet Survey…

Earth and Planetary Astrophysics · Physics 2023-02-07 Julio Hernandez Camero , Cynthia S. K. Ho , Vincent Van Eylen

This paper presents TE-NeXt, a novel and efficient architecture for Traversability Estimation (TE) from sparse LiDAR point clouds based on a residual convolution block. TE-NeXt block fuses notions of current trends such as attention…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Antonio Santo , Juan J. Cabrera , David Valiente , Carlos Viegas , Arturo Gil

The upcoming TESS mission is expected to find thousands of transiting planets around bright stars, yet for three-quarters of the fields observed the temporal coverage will limit discoveries to planets with orbital periods below 13.7 days.…

Instrumentation and Methods for Astrophysics · Physics 2017-01-25 David M. Kipping , Christopher Lam

lightcurver is a photometric pipeline for time series astronomical imaging data, designed for the semi-automatic extraction of precise light curves from small, blended targets. Such targets include, but are not limited to, lensed quasars,…

Instrumentation and Methods for Astrophysics · Physics 2024-10-18 Frédéric Dux

We used a convolutional neural network to infer stellar rotation periods from a set of synthetic light curves simulated with realistic spot evolution patterns. We convolved these simulated light curves with real TESS light curves containing…

Solar and Stellar Astrophysics · Physics 2022-03-30 Zachary R. Claytor , Jennifer L. van Saders , Joe Llama , Peter Sadowski , Brandon Quach , Ellis Avallone

Here, I present the community with exoTEDRF (EXOplanet Transit and Eclipse Data Reduction Framework; formerly known as supreme-SPOON), an end-to-end pipeline for data reduction and light curve analysis of time series observations (TSOs) of…

Instrumentation and Methods for Astrophysics · Physics 2024-07-26 Michael Radica

We describe a flexible data reduction package for high resolution cross-dispersed echelle data. This open-source package is developed in Python and includes optional GUIs for most of the steps. It does not require any pre-knowledge about…

Deep learning techniques have been well explored in the transiting exoplanet field; however, previous work mainly focuses on classification and inspection. In this work, we develop a novel detection algorithm based on a well proven object…

Earth and Planetary Astrophysics · Physics 2022-01-05 Kaiming Cui , Junjie Liu , Fabo Feng , Jifeng Liu

In this work, we apply an exploratory joint Bayesian transit detector (Taaki et al. 2020), previously evaluated using Kepler data, to the 2 min simple aperture photometry light curve data in the continuous viewing zone for the Transiting…

Earth and Planetary Astrophysics · Physics 2025-04-29 Jamila S. Taaki , Athol J. Kemball , Farzad Kamalabadi

We report the delivery to the Mikulski Archive for Space Telescopes of target pixel and light curve files for up to 160,000 targets selected from full-frame images (FFI) for each TESS Northern hemisphere observing sector. The data include…

Current time domain facilities are discovering hundreds of new galactic and extra-galactic transients every week. Classifying the ever-increasing number of transients is challenging, yet crucial to further our understanding of their nature,…

Instrumentation and Methods for Astrophysics · Physics 2019-07-10 M. Rigault , J. D. Neill , N. Blagorodnova , A. Dugas , M. Feeney , R. Walters , Y. Copin , V. Brinnel , C. Fremling , J. Nordin , J. Sollerman

Sparse tensors appear frequently in distributed deep learning, either as a direct artifact of the deep neural network's gradients, or as a result of an explicit sparsification process. Existing communication primitives are agnostic to the…

Machine Learning · Computer Science 2021-02-08 Kelly Kostopoulou , Hang Xu , Aritra Dutta , Xin Li , Alexandros Ntoulas , Panos Kalnis

We present FluxCT V2.0, an updated web tool for identifying contaminating flux in Kepler and TESS target pixel files. FluxCT V2.0 focuses on enhancing functionality, user experience, and data processing capabilities. We resolved existing…

Instrumentation and Methods for Astrophysics · Physics 2025-04-04 Zillin Dong , Jessica Schonhut-Stasik , Keivan G. Stassun

Written in Python and utilising ParselTongue to interface with the Astronomical Image Processing System (AIPS), the e-MERLIN data reduction pipeline is intended to automate the procedures required in processing and calibrating radio…

Instrumentation and Methods for Astrophysics · Physics 2015-02-18 Megan Argo

We present MADLens a python package for producing non-Gaussian lensing convergence maps at arbitrary source redshifts with unprecedented precision. MADLens is designed to achieve high accuracy while keeping computational costs as low as…

Cosmology and Nongalactic Astrophysics · Physics 2020-12-18 Vanessa Böhm , Yu Feng , Max E. Lee , Biwei Dai

Up to date planet ephemerides are becoming increasingly important as exoplanet science moves from detecting exoplanets to characterising their architectures and atmospheres in depth. In this work ephemerides are updated for 22 Kepler…

Earth and Planetary Astrophysics · Physics 2021-03-17 Matthew P. Battley , Michelle Kunimoto , David J. Armstrong , Don Pollacco

Sonification, or conveying data using non-verbal audio, is a relatively niche but growing approach for presenting data across multiple specialist domains including astronomy, climate science, and beyond. The STRAUSS Python package aims to…

Instrumentation and Methods for Astrophysics · Physics 2025-05-13 James W. Trayford , Samantha Youles , Chris Harrison , Rose Shepherd , Nicolas Bonne
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